
function expand(url) {
	wh = window.open ('', 'expand', 'width=400, height=400');
	
	wh.document.open ("text/html", "replace");
	wh.document.write("<html><title>Vergroting foto</title>");
	wh.document.write("<link rel='stylesheet' type='text/css' href='index.css' />");
	wh.document.write("<body><img src='" + url + "' /></body>");
	wh.document.write("</html>");
	wh.document.close();
	
	wh.focus();
	
	return true;
}


function MM_findObj(n, d) { //v4.01
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
  if(!x && d.getElementById) x=d.getElementById(n); return x;
}


function menuShow()
{
	var c = MM_findObj('nav');

	var top;
	var current;
	
	if (!c)
		return false;
	
	if (c.style)
		c = c.style;
	
	current = parseInt(document.all ? c.pixelTop : c.top);
	top = parseInt(document.all ? document.body.scrollTop : window.pageYOffset);
	
	if (current != top)
	{
		if (document.all)
			c.pixelTop = top;
		else
			c.top = top;
	}

	return true;
}

function menuStart()
{
	window.setInterval('menuShow()', 100);
	return true;
}

window.onscroll = menuShow;
window.onload = menuStart;
